html
{
	height: 100%;
}
body
{
	margin: 0;
	height: 100%;
}

.top_title
{
/*	display: fixed;*/
	background-color: #39f;
	color: #fff;
	height: 40px;
	line-height: 40px;
	font-size: 20px;
	padding-left: 8px;
	padding-right: 8px;

	display: flex;
	justify-content: space-between;
}

.left
{
	position: fixed;
	left: 0;
	top: 40px;
	bottom: 0;
	width: 240px;
	background-color: #def;
	overflow: auto;
}

.main
{
	position: fixed;
	left: 240px;
	top: 40px;
	right: 0;
	bottom: 0;
}
.main iframe
{
	width: 100%;
	height: 100%;
}